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CN102116975B - System for displaying images - Google Patents

System for displaying images Download PDF

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Publication number
CN102116975B
CN102116975B CN201010551832.4A CN201010551832A CN102116975B CN 102116975 B CN102116975 B CN 102116975B CN 201010551832 A CN201010551832 A CN 201010551832A CN 102116975 B CN102116975 B CN 102116975B
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CN
China
Prior art keywords
light
semi
light emitting
display panel
image display
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201010551832.4A
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Chinese (zh)
Other versions
CN102116975A (en
Inventor
杨俊彦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Innocom Technology Shenzhen Co Ltd
Innolux Shenzhen Co Ltd
Innolux Corp
Original Assignee
Innolux Shenzhen Co Ltd
Innolux Display Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Innolux Shenzhen Co Ltd, Innolux Display Corp filed Critical Innolux Shenzhen Co Ltd
Publication of CN102116975A publication Critical patent/CN102116975A/en
Application granted granted Critical
Publication of CN102116975B publication Critical patent/CN102116975B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
    • G09G3/3611Control of matrices with row and column drivers
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/3406Control of illumination source
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/3406Control of illumination source
    • G09G3/3413Details of control of colour illumination sources
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/3433Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using light modulating elements actuated by an electric field and being other than liquid crystal devices and electrochromic devices
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00Aspects of the constitution of display devices
    • G09G2300/04Structural and physical details of display devices
    • G09G2300/0439Pixel structures
    • G09G2300/0456Pixel structures with a reflective area and a transmissive area combined in one pixel, such as in transflectance pixels
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00Aspects of the constitution of display devices
    • G09G2300/08Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00Command of the display device
    • G09G2310/02Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/0235Field-sequential colour display

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Liquid Crystal (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Liquid Crystal Display Device Control (AREA)

Abstract

The present invention discloses a system for displaying images, including a transflective display panel and a light source module oppositely disposed thereto. The light source module includes a light guide plate, a plurality of first light-emitting diodes (LEDs), a plurality of second LEDs, and a lighting control unit electrically connected to the pluralities of first and second LEDs. The light guide plate includes a first portion and a second portion corresponding to a first display region and a second display region of the transflective display panel, respectively. Each first LED is a whitelight-emitting diode and transmits an emitted light therefrom to the first display region by the first portion of the light guide plate. The plurality of second LEDs includes red, green, and blue LEDs and transmits an emitted light therefrom to the second display region by the second portion of the light guide plate.

Description

Image display system
Technical field
The present invention relates to a kind of flat-panel screens technology, particularly relate to a kind of half-inversed type (transflective) display device that operates in permanent optical mode (constant lighting mode) and a sequence pattern (field sequential mode).
Background technology
Because the characteristic of thin thickness, lightweight and low power consumption, flat display apparatus has solved cathode-ray tube (CRT) (cathode ray tube, CRT) problem that exists of display technique and be widely used in the electronic installation such as laptop computer, personal digital assistant (PDA), e-book (electronic books), projector and mobile phone etc.Above-mentioned flat-panel screens comprises: penetration (transmissive) display and reflective (reflective) display, liquid crystal display (liquid crystal display for example, LCD), organic light emitting display (organic light-emitting displ ay, OLED), electric wet-type display (electrowetting display, EWD) and electrophoretic display device (EPD) (electrophoretic display, EPD) etc.
Yet, no matter be that penetration or reflective flat-panel screens all have its restriction and can't satisfy user's demand.For instance, because the electricity needs of backlight module makes the penetration display be difficult to effectively reduce the loss of electric power and can't present good usefulness under sunshine.Moreover reflected displaying device is subject to surround lighting (ambient light) and institute presents contrast ratio and color saturation degree is not so good as penetrating LCD.Autoluminescence (self-emissive) type organic light emitting display also exists similar in appearance to the problem of penetration display, and the electrophoretic display device (EPD) low-response time causes the speed of skipping slowly and can't operate in video (video) pattern.In addition, need to use colored filter in the full-color flat-panel screens, therefore can reduce resolution and the brightness of flat display apparatus.
Therefore, be necessary to seek a kind of new plane display device structure, it can solve the above problems.
Summary of the invention
The embodiment of the invention provides a kind of image display system, comprising: semi-penetrating trans display panel and light source module.The second viewing area that semi-penetrating trans (transflective) (semi-penetration, semi-reflective) display panel has the first viewing area and is adjacent.Light source module and semi-penetrating trans display panel are oppositely arranged, and comprising: light guide plate, a plurality of the first light emitting diode, a plurality of the second light emitting diode and luminous controling unit.Light guide plate has First and second one of being adjacent, and wherein First is corresponding to the first viewing area, and second one corresponding to the second viewing area.The light that the first light emitting diode sends it via the First of light guide plate is sent to the first viewing area, and the second light emitting diode is via second one of light guide plate and the light that it sends is sent to the second viewing area.Each first light emitting diode is white light-emitting diode, and the second light emitting diode comprises redness, green and blue LED.Luminous controling unit is electrically connected at first and second light emitting diode, makes it operate in permanent optical mode or a sequence pattern.
Description of drawings
Fig. 1 shows the image display system diagrammatic cross-section with flat-panel screens according to the embodiment of the invention;
Fig. 2 shows semi-penetrating trans display panel floor map among Fig. 1;
Fig. 3 shows the semi-penetrating trans display panel diagrammatic cross-section according to the embodiment of the invention;
Fig. 4 shows according to another embodiment of the present invention semi-penetrating trans display panel diagrammatic cross-section;
Fig. 5 shows light source module floor map among Fig. 1; And
Fig. 6 shows according to another embodiment of the present invention image display system block schematic diagram.
Description of reference numerals
10,30~upper substrate;
12,40~infrabasal plate;
14,16~electrode;
18~micro electronmechanical dimmer;
20,34~reflection horizon;
32~liquid crystal layer;
100~semi-penetrating trans display panel;
100a~the first viewing area;
100b~the second viewing area;
101~demonstration side;
103~non-display side;
200~light source module;
201~light guide plate;
201a~First;
201b~second one;
203~light emitting diode matrix;
203a~the first light emitting diode;
203b~the second light emitting diode;
205~luminous controling unit;
300~flat-panel screens;
400~input block;
500~electronic installation.
Embodiment
The image display system of the embodiment of the invention below is described.Fig. 1 shows the image display system diagrammatic cross-section with flat-panel screens 300 according to the embodiment of the invention.Flat-panel screens 300 comprises: semi-penetrating trans display panel 100 and the light source module 200 that is oppositely arranged with it.In the present embodiment, light source module 200 is (backlight) backlight module, thereby is arranged at the below of the non-display side 103 of semi-penetrating trans display panel 100.In other embodiments, light source module 200 can be front light (front light) module, and is arranged at the top of the demonstration side 101 of semi-penetrating trans display panel 100.
Please refer to Fig. 2, show semi-penetrating trans display panel 100 floor map among Fig. 1.In the present embodiment, semi-penetrating trans display panel 100 have the first viewing area 100a and with the second viewing area 100b of the first viewing area 100a adjacency.The size that should be noted the first viewing area 100a and the second viewing area 100b depends on design requirement, and is not confined to shown in Figure 2.
Please refer to Fig. 3, it shows semi-penetrating trans display panel 100 diagrammatic cross-sections according to the embodiment of the invention.In the present embodiment, semi-penetrating trans display panel 100 is micro electronmechanical (micro-electro-mechanical system, MEMS) display panel.Each pixel of semi-penetrating trans display panel 100 comprises: upper substrate 10, infrabasal plate 12 and be arranged at upper substrate 10 and infrabasal plate 12 between micro electronmechanical dimmer (MEMS shutter) 18.Upper substrate 10 and infrabasal plate 12 can be made of glass, quartz or other transparent materials.Moreover upper substrate 10 and infrabasal plate 12 have penetrating region T and echo area R, wherein are provided with reflection horizon 20 on the echo area R of infrabasal plate 12, for example metal level or known layer of reflective material.In addition, active (active) thin film transistor (TFT) (thin film transistor, TFT) array (not illustrating) is arranged at upper substrate 10 or infrabasal plate 12, and upper and lower base plate 10 and 12 does not all arrange colored filter.In an embodiment, active thin film transistor (TFT) array can comprise the active layer that is made of amorphous silicon.In another embodiment, active thin film transistor (TFT) array can comprise by low temperature polycrystalline silicon (low temperature polysilicon, LTPS) active (active) layer that consists of, with further response time and the GTG (gray level) that improves semi-penetrating trans display panel 100, and reduce its power consumption.
The micro electronmechanical dimmer 18 that is positioned at 20 tops, reflection horizon is electrically connected and sees through with electrode 14 and 16 and applies voltage at electrode 14 and 16, makes micro electronmechanical dimmer 18 mobile (shown in arrow among the figure) between penetrating region T and echo area R.In an embodiment, micro electronmechanical dimmer 18 can be interferes modulator (interferometric modulator), and it utilizes principle of optical interference to reach the purpose of demonstration with the absorption of optionally carrying out light and/or reflection.
Please refer to Fig. 4, it shows according to another embodiment of the present invention semi-penetrating trans display panel 100 diagrammatic cross-sections.In the present embodiment, semi-penetrating trans display panel 100 is display panels.Each pixel of semi-penetrating trans display panel 100 comprises: upper substrate 30, infrabasal plate 40 and be arranged at upper substrate 30 and infrabasal plate 40 between liquid crystal layer 32.Upper substrate 30 and infrabasal plate 40 can be made of glass, quartz or other transparent materials.Moreover upper substrate 30 and infrabasal plate 40 have penetrating region T and echo area R, wherein are provided with reflection horizon 34 on the echo area R of infrabasal plate 40, for example metal level or known layer of reflective material.In addition, active thin film transistor (TFT) array (not illustrating) is arranged at upper substrate 30 or infrabasal plate 40, and upper and lower base plate 30 and 40 does not all arrange colored filter.Similarly, active thin film transistor (TFT) array can comprise the active layer that is made of amorphous silicon or low temperature polycrystalline silicon.
Fig. 5 shows light source module 200 floor map among Fig. 1.Light source module 200 comprises light guide plate 201, is adjacent to the light emitting diode of light guide plate 201 (LED) array 203 and luminous controling unit 205.In the present embodiment, second 201b that light guide plate 201 has First 201a and is adjacent, wherein First 201a is corresponding to the first viewing area 100a (being illustrated in Fig. 2) of semi-penetrating trans display panel 100, and second 201b is corresponding to the second viewing area 100b (being illustrated in Fig. 2) of semi-penetrating trans display panel 100.
Light emitting diode matrix 203 comprises: a plurality of the first light emitting diode 203a and a plurality of the second light emitting diode 203b.In the present embodiment, the first light emitting diode 203a is corresponding to the First 201a of light guide plate 201, and the light that the first light emitting diode 203a is sent is sent to the first viewing area 100a of semi-penetrating trans display panel 100 via the First 201a of light guide plate 201.Specifically each first light emitting diode 203a is white light-emitting diode.Moreover the second light emitting diode 203b is corresponding to second 201b of light guide plate 201, and the light that the second light emitting diode 203b is sent is sent to the second viewing area 100b of semi-penetrating trans display panel 100 via second 201b of light guide plate 201.Be different from the first light emitting diode 203a, the second light emitting diode 203b comprises redness, green and blue LED.In other embodiments, the second light emitting diode 203b also comprises white light-emitting diode, yellow light-emitting diode or combination, in order to the color quality of further improvement the second viewing area 100b.Because semi-penetrating trans display panel 100 does not have colored filter, therefore the first viewing area 100a only provides white and black displays (black/white display), and the second viewing area 100b still can provide full-color demonstration.
Luminous controling unit 205 is electrically connected to light emitting diode matrix 203 (namely, the first light emitting diode 203a and the second light emitting diode 203b), make the first light emitting diode 203a operate in permanent optical mode and the second light emitting diode 203b and operate in permanent optical mode or a sequence pattern.When the first light emitting diode 203a and/or the second light emitting diode 203b operate in permanent optical mode, the first and/or second viewing area 100a and/or 100b can present white and black displays.When the second light emitting diode 203b operates in a sequence pattern, the second viewing area 100b can present white and black displays or full-color demonstration.
According to above-described embodiment, owing to adopt the semi-penetrating trans display panel, so the user can select to penetrate the pattern operation in different environment or reflective-mode operates, and makes flat display apparatus be in high efficiency manipulation (efficient operation).Moreover, since adopt can an order and light source module and the semi-penetrating trans display panel of permanent light operation do not have colored filter, therefore can promote resolution and the brightness of flat display apparatus and further reduce the power consumption of panel in penetrating the pattern operation.Moreover because the semi-penetrating trans display panel has full-color viewing area, so panel can operate in video mode.In addition, owing to having adopted micro electronmechanical dimmer or liquid crystal layer in the panel, therefore compared to electrophoretic display device (EPD), can have quick response.
Fig. 6 shows according to another embodiment of the present invention image display system block schematic diagram, it may be implemented in electronic installation 500, for example: projector, e-book (e-reader), notebook computer, mobile phone, digital camera, personal digital assistant (personal digital assistant, PDA), desktop computer, televisor, vehicle display or portable DVD player.Can be arranged at flat-panel screens 300 according to semi-penetrating trans panel 100 of the present invention and light source module 200, and flat-panel screens 300 can be micro electronmechanical display or liquid crystal display.In an embodiment, flat-panel screens 300 can be arranged at electronic installation 500.As shown in Figure 6, electronic installation 500 comprises: flat-panel screens 300 and input block 400.Input block 400 is coupled to flat-panel screens 300, in order to provide input signal (for example, signal of video signal) to flat-panel screens 300, makes flat-panel screens 300 show images.
Although the present invention discloses as above with preferred embodiment; so it is not to limit the present invention, those of ordinary skill in any affiliated technical field, without departing from the spirit and scope of the present invention; when can doing to change and retouching, so protection scope of the present invention defines and is as the criterion when looking claim.

Claims (10)

1. image display system comprises:
The semi-penetrating trans display panel, the second viewing area that has the first viewing area and be adjacent; And
Light source module is oppositely arranged with this semi-penetrating trans display panel, comprising:
Light guide plate has First and second one of being adjacent, and wherein this First is corresponding to this first viewing area, and this second one corresponding to this second viewing area;
A plurality of the first light emitting diodes are sent to this first viewing area via this First of this light guide plate with the light that it sends;
A plurality of the second light emitting diodes are via this second one of this light guide plate and the light that it sends is sent to this second viewing area; And
Luminous controling unit is electrically connected to these a plurality of first light emitting diodes and this a plurality of second light emitting diodes, makes these a plurality of first light emitting diodes operate in permanent optical mode and reaches these a plurality of second light emitting diodes and operate in a sequence pattern;
Wherein each first light emitting diode is white light-emitting diode, and these a plurality of second light emitting diodes comprise redness, green and blue LED.
2. image display system as claimed in claim 1, wherein these a plurality of second light emitting diodes also comprise white light-emitting diode, yellow light-emitting diode or its combination.
3. image display system as claimed in claim 1, wherein this semi-penetrating trans display panel is micro electronmechanical display panel or display panels.
4. image display system as claimed in claim 1, wherein this semi-penetrating trans display panel has active thin film transistor (TFT) array, and this active thin film transistor (TFT) array comprises the active layer that is made of amorphous silicon or low temperature polycrystalline silicon.
5. image display system as claimed in claim 1, wherein this light source module is arranged at the non-display side-lower of this semi-penetrating trans display panel.
6. image display system as claimed in claim 1, wherein this light source module is arranged at the demonstration side top of this semi-penetrating trans display panel.
7. image display system as claimed in claim 1, wherein this semi-penetrating trans display panel does not have colored filter.
8. image display system as claimed in claim 1 also comprises:
Flat-panel screens comprises this semi-penetrating trans display panel and this light source module; And
Input block is coupled to this flat-panel screens, in order to provide input signal to this flat-panel screens, makes this flat-panel screens show image.
9. image display system as claimed in claim 8, wherein this image display system comprises the electronic installation with this flat-panel screens.
10. image display system as claimed in claim 9, wherein this electronic installation comprises: projector, e-book, notebook computer, mobile phone, digital camera, personal digital assistant, desktop computer, televisor, vehicle display or portable DVD player.
CN201010551832.4A 2009-11-19 2010-11-16 System for displaying images Active CN102116975B (en)

Applications Claiming Priority (2)

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US26285309P 2009-11-19 2009-11-19
US61/262,853 2009-11-19

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JP6326219B2 (en) * 2013-11-26 2018-05-16 圭祐 戸田 Display device and display method
TW201602983A (en) * 2014-07-07 2016-01-16 元太科技工業股份有限公司 Electronic reading device and operating method for the same
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CN101551979A (en) * 2008-04-03 2009-10-07 上海天马微电子有限公司 Outdoor readable liquid crystal display device

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CN102116975A (en) 2011-07-06
TWI436131B (en) 2014-05-01
TW201118475A (en) 2011-06-01
US8593384B2 (en) 2013-11-26
US20110115700A1 (en) 2011-05-19

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